Desktop App Development

When a web page can't handle your data volume, your security needs, or your offline requirements, desktop apps are the answer. I build native macOS and Windows applications that replace bloated Excel workflows, crashing web tools, and abandoned legacy software — with real performance and real reliability.

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What you get

1 macOS + Windows

Cross-platform desktop apps built with Flutter Desktop — one codebase, two platforms.

2 Offline-first

Your app works without internet. Critical for factories, warehouses, and field teams.

3 Heavy data workloads

Process gigabytes of data without crashing. Real native performance.

4 Custom installers

.dmg for macOS, .msi / .exe for Windows. Auto-updates included.

5 Internal tools specialty

I love replacing Excel hell with clean, fast desktop software your team will actually use.

Choose your city

Each city has its own dedicated page with insights, case studies, and a contact form.

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Want to discuss your project?

In 15 minutes, you'll know where to start. No commitment. No technical jargon.

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About the author

Mickael Romaniello — Mobile product engineer based in Bordeaux, France. 12 years building iOS, Android and desktop apps. 15+ projects delivered for startups, mid-market companies and enterprise clients. LinkedIn.

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Standards & references

Apple Human Interface Guidelines · Google Material Design · web.dev (Google) · MDN Web Docs · OWASP Mobile Top 10